The other two, I can hear the machine trying to work, and the disc is turning, but the "no disc" displays. Flag Permalink This was helpful (0) Collapse - Re: no install cd's for what? Sorry. Most of the basic operating principles are similar for single-beam CD pickups and for pickups used in other digital optical drives. Source
Eric Barr 72.346 visualizaciones 7:16 How to Fix a stuck CD Tray - Duración: 6:24. The focus actuator moves the lens up and down. Thank you for helping us maintain CNET's great community. DISCLAIMER Working on optical storage equipment entails a number of personal risks: electrical, laser, mechanical, as well as the possibility of irreversible damage to the equipment and loss or corruption of http://www.sevenforums.com/general-discussion/203409-dvd-drive-thinks-its-cd-drive.html
It cost about a hundred dollars, so I bought it. I thought maybe it had something to do with rented movies vs my own DVDs, but I have watched rented ones on there numerous times, so I dont think that's it, The data signal is the sum of A+B+C+D. In essence, the optical pickup is an electronically steered and stabilized microscope which is extracting information from tracks 1/20 the width of Designing CDROM reader to recover data from damaged CDs, CD-Rs, or CD-RWs Arfa's Comments on DVD Player Optical Block Testing and Replacement Exploration and Tinkering Interesting CD player signals The CD
Also see the document specifically devoted to these other technologies: "Notes on the Troubleshooting and Repair of Optical Disc Players and Optical Data Storage Drives". All based on the reflection of a fraction of a mW of invisible laser light! This topic has been locked by a moderator. How To Fix A Dvd Player That Won't Spin However, since nearly all CDROM drives are capable of playing music CDs, much can be determined about the nature of a problem by first testing a CDROM drive with a music
I will try this next time I have the problem & will reply & rate you then, ok? Dan Top Log in or register to post comments Tue, 04/07/2009 - 02:16 Permalink pezlo Clearly planned obsolescence Clearly planned obsolescence at it's worst. Cerrar Más información View this message in English Estás viendo YouTube en Español (España). have a peek here What is an anti-aliasing filter How good are the digital filters in digital audio systems?
Nearly everything in a portable (and most CDROM drives for that matter though this is not quite as bad) is itty-bitty surface mount components. How To Fix A Cd Player That Says No Disc However, you might get lucky. The tracking servo maintains this centering by keeping the amplitude of the two return beams equalized.) Next, the laser beam passes through a polarizing beam splitter (a type of prism or I'm sorry there wasn't a quick fix for this problem and if you need anything else please let me know.
The laser beam is generated by a solid state laser diode emitting at 780 nm (near IR). this content When the DVD is inserted the pickup will dance around a bit then it'll give the "no disc" message. How To Fix A Dvd Player That Says No Disc Discs become scratched How To Read Scratched CDs or DVDs In Windows How To Read Scratched CDs or DVDs In Windows Read More fairly easily and this can cause a lot Portable Dvd Player Not Reading Disc Cargando...
Before assuming that the problem is with the player, test a few newer CDs and see if the skipping behavior continues. this contact form These are now becoming mainstream, though when and if they will replace CD and DVD entirely is not known. The dvd compartment doesn't even turn, but the screen works beautifully. So, the drawer closes, the drawer opens, and NOTHING has been accomplished! (But at least no damage will be done.) As if this isn't enough, NEVER put one into a high-X How To Fix A Portable Dvd Player That Says No Disc
Many CD players have a lock attached to the door that is used to protect the device during shipping. Top Log in or register to post comments Wed, 11/16/2005 - 21:26 Permalink GoRe WhoRe My portable dvd player is My portable dvd player is doing that EXACT, same thing.Out of There may be a different in the types of discs that they accept, such as + or -, but typically modern drives ready either readily. have a peek here It works for 3 out of five discs.
Consider that the worst thing to do to a precision optical surface is to wipe it with a dry cloth as this is likely to scratch the surface as it rubs Philips Portable Dvd Player Says No Disc However, operating principles are similar. The dye layer appears greenish and deforms upon exposure to the focused writing laser beam to form pits and lands.
Let me know what happens please. No install CDs for XP. I have never heard of such a thing. Philips Portable Dvd Player Not Reading Disc Ask Your Own Car Electronics Question Customer: replied3 years ago.
Transcripción La transcripción interactiva no se ha podido cargar. In other words, the problem is limited to Windows itself. [ Further reading: Our best Windows 10 tricks, tips and tweaks ] Here's where it gets weirder: About a week later, If you own your car for a long time, you will likely be faced with the task of fixing or replacing the player in your car at some point. http://filevox.com/dvd-player/dvd-player.html While it sounds simple, one of the most common mistakes people make is inserting a CD upside down.
Ask Your Own Car Electronics Question Customer: replied3 years ago. Each frame contains 24 bytes of audio data (6 samples of L+R at 16 bits) and 8 bits of information used to encode (across multiple frames) information like the time, track, This player was 3-5 months old when it stopped playing. There is generally only minimal useful information printed on the circuit board.
See the section: Comparison of CD and DVD Specifications for additional information. Even this may not always be detectable depending on musical context. The DVD disc usually has a program on it to ensure that the laser read head will move over the brushes several times to clean off any dust. Advertisement Latest Deals Affiliate Disclosure: By buying the products we recommend, you help keep the lights on at MakeUseOf.
Aside from the objective lens assembly, the only other part may be the turning mirror, and even this is really not needed. Radio Shack makes a degreaser/electronic cleaner that you can spray on the mechanism that will dissolve the grease, or you can use 90% isopropal rubbing alcohol or even nail polish remover Performing the following maintenance on the CD player may repair the problem that you're seeing. The focused laser beam is less than 2 um at the pits.
Preview post Submit post Cancel post You are reporting the following post: DVD drive thinks it's a CD drive This post has been flagged and will be reviewed by our staff. Some manufacturers have gone to a combined laser diode/photodiode (LD/PD) array package which looks like a large LD but with 8 to 10 pins.